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WS-BPEL 2.0 Beginner's Guide

You're reading from   WS-BPEL 2.0 Beginner's Guide Design and develop WS-BPEL executable business processes using Oracle SOA Suite 12c

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Product type Paperback
Published in Sep 2014
Publisher
ISBN-13 9781849688963
Length 388 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (14) Chapters Close

Preface 1. Hello BPEL FREE CHAPTER 2. Service Invocation 3. Variables, Data Manipulation, and Expressions 4. Conditions and Loops 5. Interaction Patterns in BPEL 6. Fault Handling and Signaling 7. Working with Scopes 8. Dynamic Parallel Invocations 9. Human Tasks 10. Events and Event Handlers 11. Compensations A. Pop Quiz Answers Index

Time for action – review of existing variables

To view existing variables in BookWarehousingBPEL, we will do the following:

  1. We will open the BPEL process and click on the (x) icon:
    Time for action – review of existing variables
  2. This will open a dialog, where we can see that we have six variables, all of them as MessageType:
    Time for action – review of existing variables

What just happened?

We have seen that in the BookWarehousingBPEL process we already have six variables. All of them are MessageType. The inputVariable activity holds the message payload required for the process input. The outputVariable activity holds the response that the process will return. The BookstoreARequest activity holds the request message for the BookstoreA partner link, and the BookstoreAResponse activity holds the response message for the same partner link. The BookstoreBRequest and BookstoreBResponse activities hold the messages for the BookstoreB partner link, respectively.

Declaring XML type variables

We will first learn how to declare XML type variables. We will declare two new XML type variables...

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